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You searched for: mediatype:movies AND collection:goddardspaceflightcentervideocollection AND subject:"Gamma Ray, HDTV, Gamma Ray Burst, Astrophysics, Universe, Swift, Gamma Ray Observatory"
[movies]Soft Gamma-Ray Repeater Light Echoes Captured by Swift Satellite - NASA/Swift/Jules Halpern (Columbia Univ.)
The X-Ray Telescope (XRT) aboard NASA's Swift satellite captured light echoes from a soft-gamma-ray repeater. These stellar remnants, which are thought to be highly magnetized neutron stars called magnetars, occasionally belt out a series of X- and gamma-ray flares. On Jan. 22, 2009, an object known as SGR J1550-5418 began its second and most intense round of outbursts since October 2008. In the following days, Swift's XRT captured what appears to be an expanding halo as X-rays from the brightes...
Keywords: Gamma Ray, HDTV, Gamma Ray Burst, Astrophysics, Universe, Swift, Gamma Ray Observatory; What -- Swift
Downloads: 58
[movies]Naked-Eye Gamma-ray Burst Model for GRB 080319B - NASA/Swift/Cruz deWilde
Gamma-ray bursts that are longer than two seconds are caused by the detonation of a rapidly rotating massive star at the end of its life on the main sequence. Jets of particles and gamma radiation are emitted in opposite directions from the stellar core as the star collapses. In this model, a narrow beam of gamma rays is emitted, followed by a wider beam of gamma rays. The narrow beam for GRB 080319B was aimed almost precisely at the Earth, which made it the brightest gamma-ray burst observed to...
Keywords: Gamma Ray, HDTV, Gamma Ray Burst, Astrophysics, Universe, Swift, Gamma Ray Observatory; What -- Beam; What -- Earth; What -- Swift
Downloads: 161
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